Electric lamp



FIG. 1 is a front elevational view of an electric lamp showing our new design, the rear view being a mirror image thereof;

FIG. 2 is a side elevational view thereof, the side view opposite that shown in FIG. 2 being a mirror image thereof;

FIG. 3 is a top view thereof; and

FIG. 4 is a bottom view thereof. 

The ornamental design for an electric lamp, as shown and described. 